AD7247ATQ
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Analog Devices Inc. AD7247ATQ

Manufacturer No:
AD7247ATQ
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC DAC 12BIT V-OUT 24CDIP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The AD7247ATQ, produced by Analog Devices Inc., is an enhanced version of the industry-standard AD7247 dual 12-bit digital-to-analog converter (DAC). This component is part of the DACPORT® series and is designed to offer high precision and reliability in various applications. The AD7247ATQ features a monolithic CMOS chip with integrated output amplifiers and a Zener voltage reference, eliminating the need for external user trims to achieve full specified performance. It is compatible with most modern microprocessors and supports a wide power supply range from 12 V to 15 V, making it versatile for different system configurations.

Key Specifications

Specification Value
Number of Bits 12
Number of D/A Converters 2
Settling Time 10 µs
Output Type Voltage Output
Power Supply Range 12 V to 15 V
Output Ranges (Single Supply) 0 V to +5 V, 0 V to +10 V
Output Ranges (Dual Supplies) 0 V to +5 V, 0 V to +10 V, ±5 V
Output Amplifier Capability +10 V across a 2 kΩ load to GND
Package Type 24-Lead CerDIP (Narrow 0.3 Inch)

Key Features

  • Dual 12-bit DACPORT® on a single chip, offering space savings and increased reliability.
  • Microprocessor compatible with high-speed data latches and interface logic.
  • Faster interface times and better reference variations with VDD.
  • Faster settling times compared to previous models.
  • REF OUT/REF IN function allowing use of either on-chip 5 V reference or an external reference.
  • Asynchronous LDAC signal for updating DAC latches and analog outputs.
  • Double-buffered interface structure with an 8-bit wide data bus for the AD7237A model.
  • Parallel load capability for the AD7247A model.
  • Fabricated in Linear Compatible CMOS (LCMOS) technology, combining precision bipolar circuits with low power CMOS logic.

Applications

The AD7247ATQ is suitable for a variety of applications requiring high precision and reliability in digital-to-analog conversion. These include:

  • Industrial control systems
  • Medical devices
  • Aerospace and defense systems
  • Automotive systems
  • Test and measurement equipment

Q & A

  1. What is the resolution of the AD7247ATQ?

    The AD7247ATQ has a resolution of 12 bits.

  2. How many D/A converters are included in the AD7247ATQ?

    The AD7247ATQ includes two D/A converters.

  3. What is the settling time of the AD7247ATQ?

    The settling time of the AD7247ATQ is 10 µs.

  4. What are the output ranges available for single supply operation?

    For single supply operation, the output ranges are 0 V to +5 V and 0 V to +10 V.

  5. Can the AD7247ATQ use an external reference voltage?
  6. What is the maximum voltage the output amplifiers can develop across a load?

    The output amplifiers can develop +10 V across a 2 kΩ load to GND.

  7. In what package types is the AD7247ATQ available?

    The AD7247ATQ is available in a 24-Lead CerDIP (Narrow 0.3 Inch) package.

  8. Is the AD7247ATQ compatible with modern microprocessors?
  9. What technology is used in the fabrication of the AD7247ATQ?

    The AD7247ATQ is fabricated in Linear Compatible CMOS (LCMOS) technology.

  10. What are some typical applications of the AD7247ATQ?

    The AD7247ATQ is used in industrial control systems, medical devices, aerospace and defense systems, automotive systems, and test and measurement equipment.

Product Attributes

Number of Bits:12
Number of D/A Converters:2
Settling Time:10µs
Output Type:Voltage - Buffered
Differential Output:No
Data Interface:Parallel
Reference Type:External, Internal
Voltage - Supply, Analog:±10.8V ~ 16.5V
Voltage - Supply, Digital:10.8V ~ 16.5V
INL/DNL (LSB):±1 (Max), ±0.9 (Max)
Architecture:R-2R
Operating Temperature:-55°C ~ 125°C
Package / Case:24-CDIP (0.300", 7.62mm)
Supplier Device Package:24-CDIP
Mounting Type:Through Hole
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In Stock

$273.74
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Similar Products

Part Number AD7247ATQ AD7248ATQ AD7237ATQ AD7245ATQ AD7247AQ
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Obsolete Active Active Active
Number of Bits 12 12 12 12 12
Number of D/A Converters 2 1 2 1 2
Settling Time 10µs 10µs 10µs 10µs 10µs
Output Type Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered Voltage - Buffered
Differential Output No No No No No
Data Interface Parallel Parallel Parallel Parallel Parallel
Reference Type External, Internal Internal External, Internal Internal External, Internal
Voltage - Supply, Analog ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±10.8V ~ 16.5V ±15V
Voltage - Supply, Digital 10.8V ~ 16.5V 10.8V ~ 16.5V - 10.8V ~ 16.5V 15V
INL/DNL (LSB) ±1 (Max), ±0.9 (Max) ±0.75 (Max), ±1 (Max) ±0.5 (Max), ±0.9 (Max) ±0.75 (Max), ±1 (Max) ±1 (Max), ±0.9 (Max)
Architecture R-2R R-2R R-2R R-2R R-2R
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 155°C -55°C ~ 125°C -55°C ~ 125°C
Package / Case 24-CDIP (0.300", 7.62mm) 24-CDIP (0.300", 7.62mm) 24-CDIP (0.300", 7.62mm) 24-CDIP (0.300", 7.62mm) 24-CDIP (0.300", 7.62mm)
Supplier Device Package 24-CDIP 24-CDIP 24-CDIP 24-CDIP 24-CDIP
Mounting Type Through Hole Through Hole Through Hole Through Hole Through Hole

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